Heat spreader



FIG. 1 is a front view of a heat spreader;

FIG. 2 is a front view of the heat spreader shown in FIG. 1;

FIG. 3 is a back view of the heat spreader shown in FIG. 1;

FIG. 4 is a back view of the heat spreader shown in FIG. 1;

FIG. 5 is a front view of heat spreader shown in FIG. 1;

FIG. 6 is a left side view of the heat spreader shown in FIG. 1;

FIG. 7 is a right side view of the heat spreader shown in FIG. 1;

FIG. 8 is a top view of the heat spreader shown in FIG. 1; and,

FIG. 9 is a bottom view of the heat spreader shown in FIG. 1. 

CLAIM The ornamental design for a heat spreader, as shown and described. 